CN103195913A - Rail traffic vehicle gear box - Google Patents
Rail traffic vehicle gear box Download PDFInfo
- Publication number
- CN103195913A CN103195913A CN2013101031549A CN201310103154A CN103195913A CN 103195913 A CN103195913 A CN 103195913A CN 2013101031549 A CN2013101031549 A CN 2013101031549A CN 201310103154 A CN201310103154 A CN 201310103154A CN 103195913 A CN103195913 A CN 103195913A
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- Prior art keywords
- shaft
- bearing support
- gear
- porose
- box
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005259 measurement Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 13
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
A rail traffic vehicle gear box comprises a driving shaft, a middle shaft, a driven shaft and a box body. The box body is composed of an upper box body and a lower box body. The combination face of the upper box body and the lower box body pass through the axis of the middle shaft and the axis of the driven shaft. The driving shaft is located in the upper box body, a bearing seat is respectively installed on the box body at the positions corresponding to two ends of the driving shaft, two ends of the middle shaft and two ends of the driven shaft, and a tapered roller bearing is installed in each bearing seat to form three pairs of tapered roller bearings. Each pair of tapered roller bearings is arranged in face-to-face mode. The driving shaft, the middle shaft and the driven shaft are supported by one pair of tapered roller bearing respectively. A bearing seat at one end of a gear of the middle shaft is a II hole bearing seat provided with a center hole for a bearing play measuring tool to pass, and a screw hole connected with the bearing play measuring tool is arranged on the end face of one end of the gear of the middle shaft. The rail traffic vehicle gear box is convenient to install and maintain. Axial play measurement and adjustment of the bearings are convenient.
Description
Technical field
The present invention relates to the rail traffic vehicles gear-box.
Background technique
In the rail traffic vehicles, traction electric machine, drives vehicle and travels the transmission of power wheel by gear-box.Traditional track traffic gear-box adopts the casting box of vertical subdivision, and vertical subdivision casing must move back wheel in maintenance process, move back the damage that easily causes component in the wheel process, increases the extra cost of overhaul.The gear-box of subdivision makes things convenient for the maintenance of gear-box up and down.China's notice of authorization number is that to disclose a kind of track traffic gear-box namely be a kind of gear-box of subdivision up and down to the model utility of CN 201126006Y, its casing is divided into upper box and lower box along the center line of intermediate gear shaft and elm shaft, it imports gear shaft, intermediate gear shaft is parallel with output shaft is supported in the casing, fixedly install a gear broad in the middle on the intermediate gear shaft, output shaft is provided with the output gearwheel; The input gear shaft adopts roller bearing and the combination of four penalty kick bearings to be supported in casing, and in casing, input gear shaft, output shaft and casing intersection are provided with seal arrangement by bearings for intermediate gear shaft and output shaft two ends; Gear engagement broad in the middle on input gear shaft and the intermediate gear shaft, the output gearwheel engagement on intermediate gear shaft and the output shaft.The gear-box driving gear shaft of existing subdivision up and down adopts the duplex bearing combined support, taken bigger axial space, be unfavorable for the miscellaneous part assembling, and support intermediate gear shaft the bearing axial internal clearance must by multiple tracks measure with calculate after one by one the match grinding pad adjust, not only increase measurement error, brought big inconvenience also for assembling and production.
Summary of the invention
The objective of the invention is to propose a kind of installation and maintenance convenience, the measurement of bearing axial internal clearance and rail traffic vehicles gear-box easy to adjust.
For achieving the above object, the present invention takes following technological scheme:
A kind of rail traffic vehicles gear-box, comprise driving shaft, jack shaft, driven shaft and casing, driving shaft, jack shaft and driven shaft be arranged in parallel, driving shaft and jack shaft are gear shaft, the one-level driven gear is fixedly arranged on the jack shaft, the secondary driven gear is fixedly arranged on the driven shaft, gear on the driving shaft and the engagement of one-level driven gear, gear on the jack shaft and the engagement of secondary driven gear, described casing is made up of upper box and lower box, the junction plane of upper box and lower box is by the shaft axis of jack shaft and the shaft axis of driven shaft, driving shaft is in the upper box, the two ends of corresponding driving shaft on the casing, the two ends of jack shaft and the two ends of driven shaft all are equipped with bearing support, tapered roller bearing is installed in the bearing support, form three pairs of tapered roller bearings, every pair of tapered roller bearing is face-to-face setting, described driving shaft, each is supported jack shaft and driven shaft by corresponding a pair of tapered roller bearing, the bearing support of gear one end of jack shaft is II number porose bearing support, II number porose bearing support is provided with the center hole of allowing that bearing clearance measurement frock is passed through, and the end face of gear one end of jack shaft is provided with for measuring the tapped hole that frock is connected with bearing clearance.
The outside of described II number porose bearing support is provided with the II closed end cap.
The other end bearing support of corresponding II number porose bearing support is II number sealing bearing support on the described casing.
The bearing support that is installed in the driving shaft external part on the described casing is I number porose bearing support, and the outside of I number porose bearing support is provided with I number porose end cap, and driving shaft stretches out by the center hole of I number porose bearing support and the center hole of I number porose end cap.
Be provided with seal arrangement between the center hole of described driving shaft and I number porose bearing support.
The bearing support that is installed in gear one end of driving shaft on the casing is I number sealing bearing support.
The bearing support that is installed in the driven shaft two ends on the described casing is III number porose bearing support, and stretch out at the two ends of the driven shaft center hole of the III number porose bearing support by correspondence respectively.
The two ends of described driven shaft are provided with locking device respectively and between the center hole of III number porose bearing support.
Described seal arrangement is the mazy type mechanical seal device.
Be provided with between casing and the II number porose bearing support for the pad combination of adjusting the bearing axial internal clearance.
The present invention has following good effect: 1, casing is divided into upper box and lower box, makes things convenient for the installation and maintenance of gear-box.2, driving shaft adopts the tapered roller bearing supporting, has shortened the axial dimension at gearbox main drive shaft position.3, the bearing support of gear one end of jack shaft is II number porose bearing support, II number porose bearing support is provided with center hole, the end face of gear one end of jack shaft is provided with tapped hole, the center hole that bearing clearance measurement frock is passed II number porose bearing support is connected in the tapped hole of jack shaft, make things convenient for the measurement of bearing axial internal clearance, and between bearing support and casing, adopt the pad combination of different-thickness, the convenient axial internal clearance of adjusting bearing.4, the not external part of driving shaft and jack shaft directly adopts the sealing bearing support, the external part of driving shaft, driven shaft and adopt mechanical labyrinth-type excluder separately between the bearing support, for II number porose bearing support, taking in the outside II closed end cap to be installed seals, good seal performance of the present invention can prevent the gear-box leakage of oil.
Description of drawings
Fig. 1 is view of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the partial enlarged drawing of Fig. 2.
Among the figure: 1. driving shaft, 2. jack shaft, 3. driven shaft, 4. upper box, 5. lower box, 6. tapered roller bearing, 7. seal arrangement, 8. pad, 9. seal ring, 12. I number porose bearing support, 13. I number sealing bearing support, 14. I number porose end cap, 21. one-level driven gears, 22. II number porose bearing support, 23. II number sealing bearing support, 24. II closed end caps, 31. secondary driven gears, 32. III number porose bearing support.
Embodiment
Embodiment 1
See accompanying drawing, present embodiment comprises driving shaft 1, jack shaft 2, driven shaft 3 and casing.Described casing is made up of upper box 4 and lower box 5, the junction plane of upper box 4 and lower box 5 is by the shaft axis O2 of jack shaft 2 and the shaft axis O3 of driven shaft 3, adopt form of flanges to connect between upper box 4 and the lower box 5, fixedly connected upper and lower casing by 12 bolts.Driving shaft 1, jack shaft 2 and driven shaft 3 are set in parallel in the casing, and wherein driving shaft 1 is in the upper box 4.Driving shaft 1 and jack shaft 2 are gear shaft, one-level driven gear 21 is fixedly arranged on the jack shaft 2, secondary driven gear 31 is fixedly arranged, the gear on the driving shaft 1 and 21 engagements of one-level driven gear, the gear on the jack shaft 2 and 31 engagements of secondary driven gear on the driven shaft 3.One end of driving shaft 1 stretches out casing, and casing is all stretched out at the two ends of driven shaft 3.
The two ends of the two ends of the two ends of corresponding driving shaft 1, jack shaft 2 and driven shaft 3 all are equipped with bearing support on the casing, tapered roller bearing 7 is installed in the bearing support, form three pairs of tapered roller bearings, every pair of tapered roller bearing is face-to-face setting, and described driving shaft 1, jack shaft 2 and driven shaft 3 are respectively by corresponding a pair of tapered roller bearing supporting.
The bearing support of gear one end of described jack shaft 2 is II number porose bearing support 22, II number porose bearing support 22 is provided with the center hole 22-1 that allows that bearing clearance measurement frock is passed through, and the gear one end end face of jack shaft 2 is provided with for measuring the tapped hole 2-1 that frock is connected with bearing clearance.The outside of described II number porose bearing support 22 is provided with II closed end cap 24, between the end face and II closed end cap 24 of II number porose bearing support 22, respectively be provided with seal ring 9 between the outer circumferential face of II number porose bearing support 22 and the casing.
The other end bearing support of corresponding II number porose bearing support 22 is II number sealing bearing support 23 on the described casing, and II number sealing bearing support 23 covers tapered roller bearing 7, is provided with seal ring 9 between II number sealing bearing support 23 and the casing.
The bearing support that is installed in the driving shaft external part on the described casing is I number porose bearing support 12, the outside of I number porose bearing support 12 is provided with I number porose end cap 14, and driving shaft 1 stretches out by the center hole of I number porose bearing support 14 and the center hole of I number porose end cap 14.Between the outer circumferential face and casing of I number porose bearing support 12, respectively be provided with seal ring 9 between the end face of I number porose bearing support 12 and the I number porose end cap 14.Be provided with mazy type mechanical seal device 6 between the center hole of described driving shaft 1 and I number porose bearing support 12.
The bearing support that is installed in gear one end of driving shaft on the casing is I number sealing bearing support 13, and I number sealing bearing support 13 covers tapered roller bearing 7, is provided with seal ring 9 between the outer circumferential face of I number sealing bearing support 13 and the casing.
The bearing support that is installed in driven shaft 3 two ends on the described casing is III number porose bearing support 32, stretch out at the two ends of driven shaft 3 center hole of the III number porose bearing support 32 by correspondence respectively, is provided with seal ring 9 between the outer circumferential face of two III number porose bearing supports 32 and the casing corresponding site.
The two ends of described driven shaft 3 are provided with mazy type mechanical seal device 6 respectively and between the center hole of corresponding III number porose bearing support 32.
Be provided with between casing and the II number porose bearing support 22 for the pad combination 8 of adjusting the bearing axial internal clearance.Pad adopts different thickness.
Claims (10)
1. rail traffic vehicles gear-box, comprise driving shaft (1), jack shaft (2), driven shaft (3) and casing, driving shaft (1), jack shaft (2) and driven shaft (3) be arranged in parallel, driving shaft (1) and jack shaft (2) are gear shaft, jack shaft (2) is gone up fixedly one-level driven gear (21), driven shaft (3) is gone up fixedly secondary driven gear (31), gear on the driving shaft (1) and one-level driven gear (21) engagement, gear on the jack shaft (2) and secondary driven gear (31) engagement, it is characterized in that: described casing is made up of upper box (4) and lower box (5), and the junction plane of upper box (4) and lower box (5) is by the shaft axis (O of jack shaft (2)
2) and the shaft axis (O of driven shaft (3)
3), driving shaft (1) is in the upper box (4), the two ends of corresponding driving shaft (1) on the casing, the two ends of the two ends of jack shaft (2) and driven shaft (3) all are equipped with bearing support, tapered roller bearing (7) is installed in the bearing support, form three pairs of tapered roller bearings, every pair of tapered roller bearing is face-to-face setting, described driving shaft (1), each is supported jack shaft (2) and driven shaft (3) by corresponding a pair of tapered roller bearing, the bearing support of gear one end of jack shaft (2) is II number porose bearing support (22), II number porose bearing support (22) is provided with the center hole (22-1) of allowing that bearing clearance measurement frock is passed through, and the end face of gear one end of jack shaft (2) is provided with for measuring the tapped hole (2-1) that frock is connected with bearing clearance.
2. according to the described rail traffic vehicles gear-box of claim 1, it is characterized in that: the outside of described II number porose bearing support (22) is provided with II closed end cap (24).
3. according to the described rail traffic vehicles gear-box of claim 1, it is characterized in that: the other end bearing support of corresponding II number porose bearing support (22) is II number sealing bearing support (23) on the described casing.
4. according to the described rail traffic vehicles gear-box of claim 1, it is characterized in that: the bearing support that is installed in the driving shaft external part on the described casing is I number porose bearing support (12), the outside of I number porose bearing support (12) is provided with I number porose end cap (14), and driving shaft (1) stretches out by the center hole of I number porose bearing support (14) and the center hole of I number porose end cap (14).
5. according to the described rail traffic vehicles gear-box of claim 4, it is characterized in that: be provided with seal arrangement (6) between the center hole of described driving shaft (1) and I number porose bearing support (12).
6. according to the described rail traffic vehicles gear-box of claim 1, it is characterized in that: the bearing support that is installed in gear one end of driving shaft (1) on the casing is I number sealing bearing support (13).
7. according to the described rail traffic vehicles gear-box of claim 1, it is characterized in that: the bearing support that is installed in driven shaft (3) two ends on the described casing is III number porose bearing support (32), and stretch out by the center hole of corresponding III number porose bearing support (32) respectively at the two ends of driven shaft (3).
8. according to the described rail traffic vehicles gear-box of claim 7, it is characterized in that: the two ends of described driven shaft (3) are provided with locking device (6) respectively and between the center hole of III number porose bearing support (32).
9. according to claim 5 or 8 described rail traffic vehicles gear-boxes, it is characterized in that: described seal arrangement (6) is the mazy type mechanical seal device.
10. according to the described rail traffic vehicles gear-box of claim 1, it is characterized in that: be provided with between casing and the II number porose bearing support (22) for the pad combination (8) of adjusting the bearing axial internal clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310103154.9A CN103195913B (en) | 2013-03-27 | 2013-03-27 | Rail traffic vehicle gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310103154.9A CN103195913B (en) | 2013-03-27 | 2013-03-27 | Rail traffic vehicle gear box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103195913A true CN103195913A (en) | 2013-07-10 |
| CN103195913B CN103195913B (en) | 2015-10-28 |
Family
ID=48718643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310103154.9A Active CN103195913B (en) | 2013-03-27 | 2013-03-27 | Rail traffic vehicle gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103195913B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105460023A (en) * | 2015-12-25 | 2016-04-06 | 中车戚墅堰机车车辆工艺研究所有限公司 | Gearbox for low-floor railway vehicle |
| CN106461057A (en) * | 2014-06-27 | 2017-02-22 | 东洋电机制造株式会社 | Method for disassembling gear device |
| CN109058436A (en) * | 2018-10-22 | 2018-12-21 | 资阳中工机车传动有限公司 | Mining gear-box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10252192A1 (en) * | 2002-11-09 | 2004-05-27 | Zf Friedrichshafen Ag | Axle transmission unit for rail car, comprising bevel gear located in particularly low position for compact size |
| CN101806350A (en) * | 2010-03-31 | 2010-08-18 | 南京高速齿轮制造有限公司 | Gear case used for rail traffic vehicle |
| CN201561094U (en) * | 2009-11-03 | 2010-08-25 | 南车戚墅堰机车车辆工艺研究所有限公司 | Gear case used in rail transit |
| CN102691751A (en) * | 2012-05-03 | 2012-09-26 | 南京高速齿轮制造有限公司 | Rail transit gearbox |
| CN203189688U (en) * | 2013-03-27 | 2013-09-11 | 南车戚墅堰机车车辆工艺研究所有限公司 | Gear case of rail transit vehicle |
-
2013
- 2013-03-27 CN CN201310103154.9A patent/CN103195913B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10252192A1 (en) * | 2002-11-09 | 2004-05-27 | Zf Friedrichshafen Ag | Axle transmission unit for rail car, comprising bevel gear located in particularly low position for compact size |
| CN201561094U (en) * | 2009-11-03 | 2010-08-25 | 南车戚墅堰机车车辆工艺研究所有限公司 | Gear case used in rail transit |
| CN101806350A (en) * | 2010-03-31 | 2010-08-18 | 南京高速齿轮制造有限公司 | Gear case used for rail traffic vehicle |
| CN102691751A (en) * | 2012-05-03 | 2012-09-26 | 南京高速齿轮制造有限公司 | Rail transit gearbox |
| CN203189688U (en) * | 2013-03-27 | 2013-09-11 | 南车戚墅堰机车车辆工艺研究所有限公司 | Gear case of rail transit vehicle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106461057A (en) * | 2014-06-27 | 2017-02-22 | 东洋电机制造株式会社 | Method for disassembling gear device |
| CN105460023A (en) * | 2015-12-25 | 2016-04-06 | 中车戚墅堰机车车辆工艺研究所有限公司 | Gearbox for low-floor railway vehicle |
| CN109058436A (en) * | 2018-10-22 | 2018-12-21 | 资阳中工机车传动有限公司 | Mining gear-box |
| CN109058436B (en) * | 2018-10-22 | 2023-08-29 | 资阳中工机车传动有限公司 | Mining gear box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103195913B (en) | 2015-10-28 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No. Patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No. Patentee before: CSR QISHUYAN INSTITUTE Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213011 258 Wuyi Road, Qishuyan District, Changzhou, Jiangsu Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Address before: 213011 258 Wuyi Road, Qishuyan District, Changzhou, Jiangsu Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |